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Fix stack size processing now that the return address isn't an implied

push onto the top of the stack like x86, which uses the local area
offset.  This will allow the removal of PowerPCPEI.cpp soon.

llvm-svn: 15573
This commit is contained in:
Reid Spencer 2004-08-09 01:24:32 +00:00
parent b588051065
commit 8bf21cd984

View File

@ -210,9 +210,11 @@ void PowerPCRegisterInfo::emitPrologue(MachineFunction &MF) const {
// Do we need to allocate space on the stack?
if (NumBytes == 0) return;
// Round the size to a multiple of the alignment
// Add the size of R1 to NumBytes size for the store of R1 to the bottom
// of the stack and round the size to a multiple of the alignment.
unsigned Align = MF.getTarget().getFrameInfo()->getStackAlignment();
NumBytes = (NumBytes+Align-1)/Align*Align;
unsigned Size = getRegClass(PPC32::R1)->getSize();
NumBytes = (NumBytes+Size+Align-1)/Align*Align;
// Update frame info to pretend that this is part of the stack...
MFI->setStackSize(NumBytes);